Silenosterone
三羟基胆甾烯二酮
🗣️ 情景例句
the first settlers in America.
他们是第一批来美国定居的移民。
How many feet are you going to use?
你要用几英尺？
Of course.I think there are a few in that box.
当然可以。我想那个盒子里有一些。